The vanity card from last night's episode, "The Robot Instability", can be found here at ChuckLorre.com.
You can submit your favorite quotes from last night's episode to our Quote Centre here.
We have another original episode next week, "The Friendship Algorithm", which will see Sheldon attempt to make a friend with the help of books. Read the full story

The final ratings for last night's episode are out:
The Big Bang Theory was first in households (6.7/10), viewers (11.22m), adults 25-54 (4.8/12), adults 18-49 (4.1/11) and adults 18-34 (3.4/10). Read the full story